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Home >> Chevrolet >> 2010 >> Impala LS, 3.5 K >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 3.5L - Repair Instructions >> Repair Instructions >> Secondary Air Injection Pipe Replacement >> Removal Procedure

Removal Procedure

    Fig 1: Identifying Air Shutoff/Check Valve Nuts
    GM1844047Courtesy of GENERAL MOTORS CORP.
  1. Remove the catalytic converter. Refer to Catalytic Converter Replacement (LZ4, LZE, or LGD) .
  2. Remove the secondary air injection (AIR) shutoff/check valve nuts (1).
  3. Fig 2: Identifying Air Pipe Bolts
    GM1844049Courtesy of GENERAL MOTORS CORP.
  4. Remove the AIR pipe bolts (1).
  5. Remove the AIR pipe, heat shield, and gaskets. Discard the gaskets.
  6. Remove the heat shield from the AIR pipe.